80078292 has 36 divisors (see below), whose sum is σ = 231338016. Its totient is φ = 22879440.

The previous prime is 80078291. The next prime is 80078303. The reversal of 80078292 is 29287008.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80078291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158634 + ... + 159137.

It is an arithmetic number, because the mean of its divisors is an integer number (6426056).

Almost surely, 2^80078292 is an apocalyptic number.

It is an amenable number.

80078292 is an abundant number, since it is smaller than the sum of its proper divisors (151259724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80078292 is a wasteful number, since it uses less digits than its factorization.

80078292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317788 (or 317783 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 80078292 is about 8948.6474955716. The cubic root of 80078292 is about 431.0274546781.

The spelling of 80078292 in words is "eighty million, seventy-eight thousand, two hundred ninety-two".